<template>
    <div style="height: 100vh; display: flex; align-items: center; justify-content: center; background-color: #0f9876">
        <div style="display: flex; background-color: white; width: 50%; border-radius: 5px; overflow: hidden">
            <div style="flex: 1">
                <img src="@/assets/login.png" alt="" style="width: 100%">
            </div>
            <div style="flex: 1; display: flex; align-items: center; justify-content: center">
                <el-form :model="user" style="width: 80%" :rules="rules" ref="loginRef">
                    <div style="font-size: 20px; font-weight: bold; text-align: center; margin-bottom: 20px">欢迎登录后台管理系统</div>
                    <el-form-item prop="username">
                        <el-input prefix-icon="el-icon-user" size="medium" placeholder="请输入账号" v-model="user.username"></el-input>
                    </el-form-item>
                    <el-form-item prop="password">
                        <el-input prefix-icon="el-icon-lock" size="medium" show-password placeholder="请输入密码" v-model="user.password"></el-input>
                    </el-form-item>
                    <el-form-item prop="code">
                        <div style="display: flex">
                            <el-input placeholder="请输入验证码" prefix-icon="el-icon-circle-check" size="medium" style="flex: 1" v-model="user.code"></el-input>
                            <div style="flex: 1; height: 36px">
                                <valid-code @update:value="getCode" />
                            </div>
                        </div>
                    </el-form-item>
                    <el-form-item>
                        <el-button type="primary" style="width: 100%" @click="login">登 录</el-button>
                    </el-form-item>
                    <div style="display: flex">
                        <div style="flex: 1">还没有账号？请 <span style="color: #0f9876; cursor: pointer" @click="$router.push('/register')">注册</span></div>
                        <div style="flex: 1; text-align: right"><span style="color: #0f9876; cursor: pointer" @click="handleForgetPass">忘记密码</span></div>
                    </div>
                </el-form>
            </div>
        </div>

        <el-dialog title="忘记密码" :visible.sync="forgetPassDialogVis" width="30%">
            <el-form :model="forgetUserForm" label-width="80px" style="padding-right: 20px">
                <el-form-item label="用户名">
                    <el-input v-model="forgetUserForm.username" autocomplete="off" placeholder="请输入用户名"></el-input>
                </el-form-item>
                <el-form-item label="手机号">
                    <el-input v-model="forgetUserForm.phone" autocomplete="off" placeholder="请输入手机号"></el-input>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="forgetPassDialogVis = false">取 消</el-button>
                <el-button type="primary" @click="resetPassword">确 定</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
import ValidCode from "@/components/ValidCode.vue";

export default {
    name: "Login",
    components: {
        ValidCode
    },
    data() {

        // 验证码校验
        const validateCode = (rule, value, callback) => {
            if (value === '') {
                callback(new Error('请输入验证码'))
            } else if (value.toLowerCase() !== this.code) {
                callback(new Error('验证码错误'))
            } else {
                callback() //表示通过
            }
        }

        return {
            forgetUserForm: {},   // 忘记密码的表单数据
            forgetPassDialogVis: false,
            code: '',  // 验证码组件传递过来的code
            user: {
                code: '',   // 表单里用户输入的code 验证码
                username: '',
                password: ''
            },
            rules: {
                username: [
                    { required: true, message: '请输入账号', trigger: 'blur' },
                ],
                password: [
                    { required: true, message: '请输入密码', trigger: 'blur' },
                ],
                code: [
                    { validator: validateCode, trigger: 'blur' }
                ],
            }
        }
    },
    created() {

    },
    methods: {
        handleForgetPass() {   //  初始化表单的数据
            this.forgetUserForm = {}
            this.forgetPassDialogVis = true
        },
        resetPassword() {
            this.$request.put('/password', this.forgetUserForm).then(res => {
                if (res.code === '200') {
                    this.$message.success('重置成功')
                    this.forgetPassDialogVis = false
                } else {
                    this.$message.error(res.msg)
                }
            })
        },
        getCode(code) {
            this.code = code.toLowerCase() //将字母转换为小写
        },
        login() {
            this.$refs['loginRef'].validate((valid) => {
                if (valid) {
                    // 验证通过
                    this.$request.post('/login', this.user).then(res => {
                        if (res.code === '200') {
                            this.$router.push('/') //跳转路由（页面）
                            this.$message.success('登录成功')
                            localStorage.setItem("honey-user", JSON.stringify(res.data))  // 存储用户数据
                        } else {
                            this.$message.error(res.msg)
                        }
                    })
                }
            })
            this.$request.post('/login',this.user).then(res => {
                console.log(res)
            })
        }
    }
}
</script>

<style scoped>

</style>